Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4493966 | Internal mandrel used in an operation of butt joining two lengths of tubing by welding | Bernard Sudreau, Michel Jegousse, Yves Le Hir | 1985-01-15 |
| 4485344 | Apparatus for electromagnetically measuring the ovalization of a ferromagnetic pipe | Jean-Louis Migliarese-Caputi, Guy Herve, Michel Baylot, Claude Colas, Pierre Baudet | 1984-11-27 |
| 4476605 | Rotary metal brush for removing submerged anti-corrosive covering and method for using the same | Guy Herve, Claude Colas, Jean-Louis M. Caputi | 1984-10-16 |
| 4442867 | Internal obturators for pipes | Jean-Louis Migliarese-Caputi, Daniel Josien | 1984-04-17 |
| 4443129 | Method and apparatus for tapping a submerged pipe | Jean-Louis Migliarese-Caputi, Guy Herve, Claude Colas | 1984-04-17 |
| 4430550 | Electron beam welding | Claude Carsac, Christian Bonnet | 1984-02-07 |
| 4425059 | Process for removing a concrete covering | Claude Colas, Guy Herve, Jean-Louis M. Caputi | 1984-01-10 |
| 4410210 | Retaining grippers | Olivier R. Anselme, Bernard Sudreau, Meichel J. Jegousse, Yves Le Hir, Daniel Josien | 1983-10-18 |
| 4370541 | Electron beam chamber for butt welding pipes | Bernard Sudreau, Claude Carsac, Jean-Pierre Hamon, Michel Fuzeau | 1983-01-25 |
| 4368374 | Vacuum chamber for electron beam butt welding of pipes | Bernard Sudreau, Claude Carsac, Jean-Pierre Hamon, Michel Fuzeau | 1983-01-11 |
| 4358656 | Electron beam welding | Claude Carsac, Christian Bonnet | 1982-11-09 |
| 4357517 | Electron beam welding with beam focus controlled responsive to absorbed beam power | Claude Carsac, Christian Bonnet | 1982-11-02 |
| 4319709 | Positioning of an additional tubular element on a tubular structure | Michel Jegousse | 1982-03-16 |
| 4314135 | Positioning of one or more tools relative to a tubular structure | Claude Carsac, Jean-Pierre Hamon | 1982-02-02 |
| 4305591 | Inflatable seals | Daniel Josien | 1981-12-15 |